The Schmersal NDR Series offers a robust emergency stop latching pushbutton designed for demanding industrial environments. This pushbutton features a 22.3 mm diameter hole for easy installation and a round profile with a black operating element, complemented by a silver front ring and white bellows for clear visibility. Its latching function ensures the button remains engaged until manually reset, while the integrated snap-action mechanism provides reliable operation. The mounting flange facilitates secure attachment and full insulation guarantees safety across temperature ranges from -25 to 80 deg C. Engineered to withstand harsh conditions, it boasts an IP67 and IP69K rating for dust and water resistance, making it an ideal choice for applications requiring stringent hygiene standards. Trust in Schmersal's Commitment to quality with this essential component in your pushbuttons and signalling systems.